title: Collaborative study for the validation of serological methods for potency testing of diphtheria toxoid vaccines-part 1.
mesh_terms: D000818:Animals; D002522:Chlorocebus aethiops; D004166:Diphtheria Antitoxin / Q000097:blood*; D004168:Diphtheria Toxoid / Q000032:analysis* / Q000276:immunology / Q000592:standards; D004797:Enzyme-Linked Immunosorbent Assay; D005060:Europe; D006168:Guinea Pigs; D007391:International Cooperation; D007753:Laboratories / Q000592:standards; D051379:Mice; D009500:Neutralization Tests / Q000379:methods; D010602:Pharmacopoeias as Topic / Q000592:standards; D012015:Reference Standards; D015203:Reproducibility of Results; D013743:Tetanus Antitoxin / Q000097:blood*; D013745:Tetanus Toxoid / Q000032:analysis / Q000276:immunology / Q000592:standards; D017778:Vaccines, Combined / Q000032:analysis / Q000276:immunology / Q000592:standards; D014709:Vero Cells
chemical_list: D004166:Diphtheria Antitoxin; D004168:Diphtheria Toxoid; D013743:Tetanus Antitoxin; D013745:Tetanus Toxoid; D017778:Vaccines, Combined